أسرار صيانة شواحن "شور 5-10-20 امبير" التي لا يخبرك بها أحد! | Suoer 10A Charger Repair

In this comprehensive tutorial from IC Tech, we delve into repairing the popular Suoer 10A battery charger. Together, we'll trace the power failure from the starting point (the fuse) to the intricate details of the switching circuitry and output. In this detailed tutorial, we dive deep into repairing the Suoer 10A battery charger. We step-by-step troubleshoot power failure issues, from the fuse to the PWM circuitry and output stage. What you will learn in this video: The correct way to test a bridge rectifier while it's installed. How to identify faults in the power transistor and its associated resistors. Resistor alternatives and creative solutions when original parts are missing. Testing the PWM pulse using a multimeter and a simple test circuit. Testing the feedback circuit and the 817 Optocoupler. Video Timeline: 00:00 Introduction and initial fault diagnosis 01:10 Bridge circuit and fuse testing 05:15 Power transistor and protection resistor fault identification 09:55 Testing the PWM IC supply voltage 14:15 Replacing the UC3843 and pulse testing 18:00 Pulse testing methods using a multimeter and test circuit 22:00 Testing the 817 feedback and output Schottky 24:30 Final result and charging test #IC_Technology #Maintenance